package security::level;

use strict;
use common;

my %level_list = (
                  0 => N("Welcome To Crackers"),
                  1 => N("Poor"),
                  2 => N("Standard"),
                  3 => N("High"),
                  4 => N("Higher"),
                  5 => N("Paranoid"),
                  );

my @sec_levels = map { $level_list{$_} } (0..5); # enforce order


sub get_common_list {
    map { $level_list{$_} } (2, 3, 4);
}

sub get_full_list {
    
}

sub get {
    cat_("$::prefix/etc/profile")           =~ /export SECURE_LEVEL=(\d+)/ && $1 || #- 8.0 msec
    cat_("$::prefix/etc/profile.d/msec.sh") =~ /export SECURE_LEVEL=(\d+)/ && $1 || #- 8.1 msec
      ${{ getVarsFromSh("$::prefix/etc/sysconfig/msec") }}{SECURE_LEVEL}  || #- 8.2 msec
	$ENV{SECURE_LEVEL};
}


sub get_string {
    return $sec_levels[get()] || 2
}

sub set {
    my %sec_levels = reverse %level_list;
    my $run_level = $sec_levels{$_[0]};
    print "set level: $_[0] -> $run_level\n";
    print $::prefix, "/usr/sbin/msec ", $run_level || 3, "\n";
    require run_program;
    run_program::rooted($::prefix, "/usr/sbin/msec", $run_level || 3);
}

sub to_string {
    my %l = (
      0 => N("Welcome To Crackers"),
      1 => N("Poor"),
      2 => N("Standard"),
      3 => N("High"),
      4 => N("Higher"),
      5 => N("Paranoid"),
    );
    $l{$_[0]};
}

sub level_choose {
    my ($in, $security, $libsafe, $email) = @_;

    my %help = (
      0 => N("This level is to be used with care. It makes your system more easy to use,
but very sensitive. It must not be used for a machine connected to others
or to the Internet. There is no password access."),
      1 => N("Passwords are now enabled, but use as a networked computer is still not recommended."),
      2 => N("This is the standard security recommended for a computer that will be used to connect to the Internet as a client."),
      3 => N("There are already some restrictions, and more automatic checks are run every night."),
      4 => N("With this security level, the use of this system as a server becomes possible.
The security is now high enough to use the system as a server which can accept
connections from many clients. Note: if your machine is only a client on the Internet, you should choose a lower level."),
      5 => N("This is similar to the previous level, but the system is entirely closed and security features are at their maximum."),
    );

    my @l = 2 .. 5;

    $in->ask_from_({ title => N("DrakSec Basic Options"),
		     messages => N("Please choose the desired security level") . "\n\n" .
		                 join('', map { to_string($_) . ": " . formatAlaTeX($help{$_}) . "\n\n" } @l),
		     interactive_help_id => 'miscellaneous',
		   }, [
              { label => N("Security level"), val => $security, list => \@l, format => \&to_string },
                if_($in->do_pkgs->is_installed('libsafe') && arch() =~ /^i.86/,
                { label => N("Use libsafe for servers"), val => $libsafe, type => 'bool', text =>
                  N("A library which defends against buffer overflow and format string attacks.") }),
                { label => N("Security Administrator (login or email)"), val => $email, },
            ],
    );
}

1;